#include <iostream>
#include <vector>
using namespace std;
 
int main() 
{
    int n = 0, m = 0, q = 0;
    cin >> n >> m >> q;
    vector<vector<int>> arr(n + 1, vector<int>(m + 1, 0));
    for(int i = 1; i <= n; ++i) // 读数据
    {
        for(int j = 1; j <= m; ++j)
        {
            cin >> arr[i][j]; 
        }
    }
    vector<vector<long long>> dp(n + 1, vector<long long>(m + 1, 0));
    for(int i = 1; i <= n; ++i) // 构成前缀和数组
    {
        for(int j = 1; j <= m; ++j)
        {
            dp[i][j] = dp[i-1][j] + dp[i][j-1] + arr[i][j] - dp[i-1][j-1];
        }
    }
    int x1 = 0, y1 = 0, x2 = 0, y2 = 0;
    while(q--) // 使用前缀和数组查询
    {
        cin >> x1 >> y1 >> x2 >> y2;
        cout << dp[x2][y2] - dp[x1-1][y2] - dp[x2][y1-1] + dp[x1-1][y1-1] << endl;
    }
    return 0;
}